RUSSIAN RIVER - HOPLAND (HOPC1)
Latitude: 39.03º NLongitude: 123.13º WElevation: 498 Feet
Location: Mendocino County in CaliforniaBulletin Group: Russian NapaRiver Group: Russian Napa
Issuance Time: Dec 26 2025 at 1:28 PM PSTNext Issuance: Dec 27 2025 at 9:00 AM PST
Action/Monitor: N/A Minor Flood: 15.0 FeetModerate Flood: 23.0 FeetMajor Flood: 26.0 Feet

# Tabular Observed and Forecast Hydrograph Information
#
# Location: Russian River - Hopland (HOPC1)
#
# File Generation Time:  12/26/2025 at 01:28 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  12/22/2025 at 04:00 AM PST
# Maximum Observed Stage:                       18.04 Feet
# Maximum Observed Flow:                        11774 cfs
#
# Earliest Date & Time of Maximum Forecast:     12/26/2025 at 04:00 PM PST
# Maximum Forecast Stage:                       11.95 Feet
# Maximum Forecast Flow:                        4210 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  12/21/2025 01 PM PST           14.11           5603                        Normal
  12/21/2025 02 PM PST           14.52           5947         +              Normal
  12/21/2025 03 PM PST           14.87           6348         +              Normal
  12/21/2025 04 PM PST           15.29           6852         +         Minor Flood
  12/21/2025 05 PM PST           15.83           7536         +         Minor Flood
  12/21/2025 06 PM PST           16.46           8531         +         Minor Flood
  12/21/2025 07 PM PST           16.95           9457         +         Minor Flood
  12/21/2025 08 PM PST           17.38          10328         +         Minor Flood
  12/21/2025 09 PM PST           17.58          10752         +         Minor Flood
  12/21/2025 10 PM PST           17.74          11100         +         Minor Flood
  12/21/2025 11 PM PST           17.81          11255         +         Minor Flood
  12/22/2025 12 AM PST           17.80          11232         -         Minor Flood
  12/22/2025 01 AM PST           17.91          11478         +         Minor Flood
  12/22/2025 02 AM PST           17.87          11388         -         Minor Flood
  12/22/2025 03 AM PST           18.00          11683         +         Minor Flood
  12/22/2025 04 AM PST           18.04          11774         +         Minor Flood
  12/22/2025 05 AM PST           17.93          11524         -         Minor Flood
  12/22/2025 06 AM PST           17.54          10666         -         Minor Flood
  12/22/2025 07 AM PST           16.90           9360         -         Minor Flood
  12/22/2025 08 AM PST           15.91           7641         -         Minor Flood
  12/22/2025 09 AM PST           14.84           6313         -              Normal
  12/22/2025 10 AM PST           13.79           5367         -              Normal
  12/22/2025 11 AM PST           12.81           4675         -              Normal
  12/22/2025 12 PM PST           11.93           4199         -              Normal
  12/22/2025 01 PM PST           11.15           3792         -              Normal
  12/22/2025 02 PM PST           10.48           3467         -              Normal
  12/22/2025 03 PM PST            9.90           3201         -              Normal
  12/22/2025 04 PM PST            9.42           2986         -              Normal
  12/22/2025 05 PM PST            8.97           2789         -              Normal
  12/22/2025 06 PM PST            8.59           2626         -              Normal
  12/22/2025 07 PM PST            8.23           2474         -              Normal
  12/22/2025 08 PM PST            7.93           2350         -              Normal
  12/22/2025 09 PM PST            7.65           2236         -              Normal
  12/22/2025 10 PM PST            7.40           2135         -              Normal
  12/22/2025 11 PM PST            7.19           2052         -              Normal
  12/23/2025 12 AM PST            6.98           1970         -              Normal
  12/23/2025 01 AM PST            6.80           1900         -              Normal
  12/23/2025 02 AM PST            6.67           1850         -              Normal
  12/23/2025 03 AM PST            6.52           1793         -              Normal
  12/23/2025 04 AM PST            6.38           1740         -              Normal
  12/23/2025 05 AM PST            6.25           1692         -              Normal
  12/23/2025 06 AM PST            6.12           1644         -              Normal
  12/23/2025 07 AM PST            6.04           1614         -              Normal
  12/23/2025 08 AM PST            5.94           1578         -              Normal
  12/23/2025 09 AM PST            5.88           1556         -              Normal
  12/23/2025 10 AM PST            5.82           1535         -              Normal
  12/23/2025 11 AM PST            5.73           1502         -              Normal
  12/23/2025 12 PM PST            5.64           1470         -              Normal
  12/23/2025 01 PM PST            5.55           1438         -              Normal
  12/23/2025 02 PM PST            5.49           1417         -              Normal
  12/23/2025 03 PM PST            5.42           1393         -              Normal
  12/23/2025 04 PM PST            5.38           1379         -              Normal
  12/23/2025 05 PM PST            5.38           1379         0              Normal
  12/23/2025 06 PM PST            5.37           1375         -              Normal
  12/23/2025 07 PM PST            5.33           1361         -              Normal
  12/23/2025 08 PM PST            5.31           1354         -              Normal
  12/23/2025 09 PM PST            5.29           1347         -              Normal
  12/23/2025 10 PM PST            5.30           1351         +              Normal
  12/23/2025 11 PM PST            5.37           1375         +              Normal
  12/24/2025 12 AM PST            5.54           1435         +              Normal
  12/24/2025 01 AM PST            5.95           1582         +              Normal
  12/24/2025 02 AM PST            6.78           1892         +              Normal
  12/24/2025 03 AM PST            8.59           2626         +              Normal
  12/24/2025 04 AM PST           10.90           3665         +              Normal
  12/24/2025 05 AM PST           12.59           4554         +              Normal
  12/24/2025 06 AM PST           13.57           5208         +              Normal
  12/24/2025 07 AM PST           14.00           5521         +              Normal
  12/24/2025 08 AM PST           14.17           5648         +              Normal
  12/24/2025 09 AM PST           14.18           5655         +              Normal
  12/24/2025 10 AM PST           14.04           5551         -              Normal
  12/24/2025 11 AM PST           13.70           5302         -              Normal
  12/24/2025 12 PM PST           13.20           4945         -              Normal
  12/24/2025 01 PM PST           12.63           4576         -              Normal
  12/24/2025 02 PM PST           11.97           4220         -              Normal
  12/24/2025 03 PM PST           11.29           3864         -              Normal
  12/24/2025 04 PM PST           10.68           3560         -              Normal
  12/24/2025 05 PM PST           10.09           3288         -              Normal
  12/24/2025 06 PM PST            9.59           3062         -              Normal
  12/24/2025 07 PM PST            9.16           2872         -              Normal
  12/24/2025 08 PM PST            8.89           2755         -              Normal
  12/24/2025 09 PM PST            8.77           2703         -              Normal
  12/24/2025 10 PM PST            8.79           2712         +              Normal
  12/24/2025 11 PM PST            8.90           2759         +              Normal
  12/25/2025 12 AM PST            9.07           2833         +              Normal
  12/25/2025 01 AM PST            9.25           2911         +              Normal
  12/25/2025 02 AM PST            9.53           3035         +              Normal
  12/25/2025 03 AM PST           10.02           3256         +              Normal
  12/25/2025 04 AM PST           10.50           3476         +              Normal
  12/25/2025 05 AM PST           10.83           3631         +              Normal
  12/25/2025 06 AM PST           11.00           3716         +              Normal
  12/25/2025 07 AM PST           11.02           3726         +              Normal
  12/25/2025 08 AM PST           11.03           3731         +              Normal
  12/25/2025 09 AM PST           11.07           3752         +              Normal
  12/25/2025 10 AM PST           11.11           3772         +              Normal
  12/25/2025 11 AM PST           11.15           3792         +              Normal
  12/25/2025 12 PM PST           11.11           3772         -              Normal
  12/25/2025 01 PM PST           10.95           3691         -              Normal
  12/25/2025 02 PM PST           10.90           3665         -              Normal
  12/25/2025 03 PM PST           10.92           3675         +              Normal
  12/25/2025 04 PM PST           11.07           3752         +              Normal
  12/25/2025 05 PM PST           11.22           3828         +              Normal
  12/25/2025 06 PM PST           11.32           3880         +              Normal
  12/25/2025 07 PM PST           11.48           3963         +              Normal
  12/25/2025 08 PM PST           11.58           4015         +              Normal
  12/25/2025 09 PM PST           11.51           3978         -              Normal
  12/25/2025 10 PM PST           11.47           3957         -              Normal
  12/25/2025 11 PM PST           11.42           3931         -              Normal
  12/26/2025 12 AM PST           11.48           3963         +              Normal
  12/26/2025 01 AM PST           11.59           4020         +              Normal
  12/26/2025 02 AM PST           11.70           4078         +              Normal
  12/26/2025 03 AM PST           11.87           4167         +              Normal
  12/26/2025 04 AM PST           11.88           4172         +              Normal
  12/26/2025 05 AM PST           11.78           4120         -              Normal
  12/26/2025 06 AM PST           11.56           4004         -              Normal
  12/26/2025 07 AM PST           11.26           3849         -              Normal
  12/26/2025 08 AM PST           10.99           3711         -              Normal
  12/26/2025 09 AM PST           10.70           3570         -              Normal
  12/26/2025 10 AM PST           10.55           3500         -              Normal
  12/26/2025 11 AM PST           10.48           3467         -              Normal
  12/26/2025 12 PM PST           10.82           3626         +              Normal
  12/26/2025 01 PM PST           11.14           3787         +              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  12/26/2025 02 PM PST           11.47           3957                        Normal
  12/26/2025 03 PM PST           11.78           4120         +              Normal
  12/26/2025 04 PM PST           11.95           4210         +              Normal
  12/26/2025 05 PM PST           11.94           4204         -              Normal
  12/26/2025 06 PM PST           11.77           4114         -              Normal
  12/26/2025 07 PM PST           11.57           4009         -              Normal
  12/26/2025 08 PM PST           11.38           3911         -              Normal
  12/26/2025 09 PM PST           11.20           3818         -              Normal
  12/26/2025 10 PM PST           11.01           3721         -              Normal
  12/26/2025 11 PM PST           10.74           3588         -              Normal
  12/27/2025 12 AM PST           10.42           3439         -              Normal
  12/27/2025 01 AM PST           10.13           3306         -              Normal
  12/27/2025 02 AM PST            9.85           3179         -              Normal
  12/27/2025 03 AM PST            9.58           3058         -              Normal
  12/27/2025 04 AM PST            9.33           2947         -              Normal
  12/27/2025 05 AM PST            9.07           2833         -              Normal
  12/27/2025 06 AM PST            8.82           2724         -              Normal
  12/27/2025 07 AM PST            8.59           2626         -              Normal
  12/27/2025 08 AM PST            8.36           2529         -              Normal
  12/27/2025 09 AM PST            8.16           2445         -              Normal
  12/27/2025 10 AM PST            7.97           2366         -              Normal
  12/27/2025 11 AM PST            7.80           2297         -              Normal
  12/27/2025 12 PM PST            7.63           2228         -              Normal
  12/27/2025 01 PM PST            7.49           2171         -              Normal
  12/27/2025 02 PM PST            7.36           2119         -              Normal
  12/27/2025 03 PM PST            7.23           2068         -              Normal
  12/27/2025 04 PM PST            7.11           2020         -              Normal
  12/27/2025 05 PM PST            6.99           1973         -              Normal
  12/27/2025 06 PM PST            6.86           1923         -              Normal
  12/27/2025 07 PM PST            6.74           1877         -              Normal
  12/27/2025 08 PM PST            6.62           1831         -              Normal
  12/27/2025 09 PM PST            6.50           1786         -              Normal
  12/27/2025 10 PM PST            6.38           1740         -              Normal
  12/27/2025 11 PM PST            6.27           1699         -              Normal
  12/28/2025 12 AM PST            6.16           1659         -              Normal
  12/28/2025 01 AM PST            6.05           1618         -              Normal
  12/28/2025 02 AM PST            5.94           1578         -              Normal
  12/28/2025 03 AM PST            5.84           1542         -              Normal
  12/28/2025 04 AM PST            5.75           1509         -              Normal
  12/28/2025 05 AM PST            5.66           1477         -              Normal
  12/28/2025 06 AM PST            5.57           1445         -              Normal
  12/28/2025 07 AM PST            5.49           1417         -              Normal
  12/28/2025 08 AM PST            5.42           1393         -              Normal
  12/28/2025 09 AM PST            5.34           1365         -              Normal
  12/28/2025 10 AM PST            5.28           1344         -              Normal
  12/28/2025 11 AM PST            5.21           1320         -              Normal
  12/28/2025 12 PM PST            5.15           1299         -              Normal
  12/28/2025 01 PM PST            5.09           1279         -              Normal
  12/28/2025 02 PM PST            5.03           1258         -              Normal
  12/28/2025 03 PM PST            4.98           1241         -              Normal
  12/28/2025 04 PM PST            4.93           1225         -              Normal
  12/28/2025 05 PM PST            4.88           1208         -              Normal
  12/28/2025 06 PM PST            4.83           1191         -              Normal
  12/28/2025 07 PM PST            4.78           1174         -              Normal
  12/28/2025 08 PM PST            4.74           1161         -              Normal
  12/28/2025 09 PM PST            4.70           1148         -              Normal
  12/28/2025 10 PM PST            4.66           1135         -              Normal
  12/28/2025 11 PM PST            4.62           1122         -              Normal
  12/29/2025 12 AM PST            4.59           1112         -              Normal
  12/29/2025 01 AM PST            4.55           1099         -              Normal
  12/29/2025 02 AM PST            4.52           1089         -              Normal
  12/29/2025 03 AM PST            4.48           1076         -              Normal
  12/29/2025 04 AM PST            4.45           1067         -              Normal
  12/29/2025 05 AM PST            4.42           1057         -              Normal
  12/29/2025 06 AM PST            4.39           1047         -              Normal
  12/29/2025 07 AM PST            4.36           1038         -              Normal
  12/29/2025 08 AM PST            4.33           1028         -              Normal
  12/29/2025 09 AM PST            4.30           1019         -              Normal
  12/29/2025 10 AM PST            4.27           1009         -              Normal
  12/29/2025 11 AM PST            4.25           1003         -              Normal
  12/29/2025 12 PM PST            4.22            993         -              Normal
  12/29/2025 01 PM PST            4.20            987         -              Normal
  12/29/2025 02 PM PST            4.17            978         -              Normal
  12/29/2025 03 PM PST            4.15            971         -              Normal
  12/29/2025 04 PM PST            4.13            965         -              Normal
  12/29/2025 05 PM PST            4.11            959         -              Normal
  12/29/2025 06 PM PST            4.08            950         -              Normal
  12/29/2025 07 PM PST            4.06            943         -              Normal
  12/29/2025 08 PM PST            4.04            937         -              Normal
  12/29/2025 09 PM PST            4.02            931         -              Normal
  12/29/2025 10 PM PST            4.00            925         -              Normal
  12/29/2025 11 PM PST            3.98            919         -              Normal
  12/30/2025 12 AM PST            3.96            913         -              Normal
  12/30/2025 01 AM PST            3.94            906         -              Normal
  12/30/2025 02 AM PST            3.92            900         -              Normal
  12/30/2025 03 AM PST            3.90            894         -              Normal
  12/30/2025 04 AM PST            3.88            888         -              Normal
  12/30/2025 05 AM PST            3.86            882         -              Normal
  12/30/2025 06 AM PST            3.84            876         -              Normal
  12/30/2025 07 AM PST            3.82            870         -              Normal
  12/30/2025 08 AM PST            3.80            864         -              Normal
  12/30/2025 09 AM PST            3.78            858         -              Normal
  12/30/2025 10 AM PST            3.76            852         -              Normal
  12/30/2025 11 AM PST            3.74            846         -              Normal
  12/30/2025 12 PM PST            3.73            843         -              Normal
  12/30/2025 01 PM PST            3.71            837         -              Normal
  12/30/2025 02 PM PST            3.69            831         -              Normal
  12/30/2025 03 PM PST            3.67            825         -              Normal
  12/30/2025 04 PM PST            3.65            819         -              Normal
  12/30/2025 05 PM PST            3.64            816         -              Normal
  12/30/2025 06 PM PST            3.62            810         -              Normal
  12/30/2025 07 PM PST            3.60            804         -              Normal
  12/30/2025 08 PM PST            3.59            801         -              Normal
  12/30/2025 09 PM PST            3.57            795         -              Normal
  12/30/2025 10 PM PST            3.55            790         -              Normal
  12/30/2025 11 PM PST            3.54            787         -              Normal
  12/31/2025 12 AM PST            3.52            781         -              Normal
  12/31/2025 01 AM PST            3.51            778         -              Normal
  12/31/2025 02 AM PST            3.49            772         -              Normal
  12/31/2025 03 AM PST            3.48            769         -              Normal
  12/31/2025 04 AM PST            3.46            763         -              Normal
#
# NOTE 1: Stages are rounded to the nearest hundredth (.01) of a foot.
# NOTE 2: Flows are rounded to the nearest (1) cfs.
# NOTE 3: Trends are determined using hourly change in unrounded stage and flow.
# NOTE 4: Maximum Values are determined using unrounded stage and flow.